Demixing of bosonic mixtures in optical lattices from macroscopic to microscopic scales |
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| Authors: | Alon Ofir E Streltsov Alexej I Cederbaum Lorenz S |
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| Institution: | Theoretische Chemie, Physikalisch-Chemisches Institut, Universit?t Heidelberg, Im Neuenheimer Feld 229, D-69120 Heidelberg, Germany. ofir@pci.uni-heidelberg.de |
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| Abstract: | Mixtures of cold bosonic atoms in optical lattices undergo demixing on different length scales with increasing interspecies repulsion. As a general rule, the stronger the intraspecies interactions, the shorter is this length scale. The wealth of phenomena is documented by illustrative examples on both superfluids and Mott insulators. |
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